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How could we extract anything but the voice e.g. karaoke?

by antman 7y ago

aasasd 7y ago
I'd guess extract the voice and then subtract it from the rest with something like Audacity. I'm not sure which operation would do that, but I believe that it exists. Also, other comments here speak of “separating into the voice and accompaniment,” so maybe the model/program already do exactly what you need.
- marcan_42 7y ago
  Invert and mix. When you have an instrumental version of a song (from the same stems as the vocal version) this is already one way to get the vocals out without any fancy machine learning. The main tricks besides what you can do in Audacity like that are properly time-aligning the tracks (even if they drift a bit) and compensating for phase issues and compression. I wrote a dirty tool that does that and I've been meaning to turn it into some kind of nicer GUI version.
  - voicedYoda 7y ago
    If you don't mind sharing (even if it's cmd line), I'd love to explore.
  - navjack27 7y ago
    I've been doing something like this for a bit in Audition. Center channel extract > invert phase > save as wav > create multi-track project > add original > add modified > up the volume on the vocal extracted modified version until the vocals go away Or you can do the exact opposite and instead of center channel extracting the vocals you can remove the vocals and use this method to better isolate vocals. Although if things do fun stuff with stereo it might not be exact.
NilsIRL 7y ago
I'm pretty sure it does that by default.
danso 7y ago
The repo's quick start instructions [0] show how to use it with the "2-stems" model [1], which separate the source audio into two files: output/source/vocals.wav and outputdir/source/accompaniment.wav: $ spleeter separate -i spleeter/source.mp3 \ -p spleeter:2stems \ -o outputdir [0] https://github.com/deezer/spleeter#quick-start https://github.com/deezer/spleeter#quick-start [1] https://github.com/deezer/spleeter/wiki/2.-Getting-started#using-2stems-model https://github.com/deezer/spleeter/wiki/2.-Getting-started#u...

How could we extract anything but the voice e.g. karaoke?

by antman 7y ago

How could we extract anything but the voice e.g. karaoke?

I'd guess extract the voice and then subtract it from the rest with something like Audacity. I'm not sure which operation would do that, but I believe that it exists. Also, other comments here speak of “separating into the voice and accompaniment,” so maybe the model/program already do exactly what you need.

marcan_42 7y ago
Invert and mix. When you have an instrumental version of a song (from the same stems as the vocal version) this is already one way to get the vocals out without any fancy machine learning. The main tricks besides what you can do in Audacity like that are properly time-aligning the tracks (even if they drift a bit) and compensating for phase issues and compression. I wrote a dirty tool that does that and I've been meaning to turn it into some kind of nicer GUI version.
- voicedYoda 7y ago
  If you don't mind sharing (even if it's cmd line), I'd love to explore.
- navjack27 7y ago
  I've been doing something like this for a bit in Audition. Center channel extract > invert phase > save as wav > create multi-track project > add original > add modified > up the volume on the vocal extracted modified version until the vocals go away Or you can do the exact opposite and instead of center channel extracting the vocals you can remove the vocals and use this method to better isolate vocals. Although if things do fun stuff with stereo it might not be exact.

NilsIRL 7y ago

I'm pretty sure it does that by default.

danso 7y ago

The repo's quick start instructions [0] show how to use it with the "2-stems" model [1], which separate the source audio into two files: output/source/vocals.wav and outputdir/source/accompaniment.wav: $ spleeter separate -i spleeter/source.mp3 \ -p spleeter:2stems \ -o outputdir [0] https://github.com/deezer/spleeter#quick-start https://github.com/deezer/spleeter#quick-start [1] https://github.com/deezer/spleeter/wiki/2.-Getting-started#using-2stems-model https://github.com/deezer/spleeter/wiki/2.-Getting-started#u...